A reader asks for alternatives to plasticky, over-packaged dental floss. Umbra sinks her teeth into some answers.
They're popping up in greener cities everywhere -- those solar-powered public trash cans. But do they actually make a difference? Umbra has the answer.
Which to buy -- beer that's made close by or suds brewed with green energy but then shipped cross-country? Umbra cuts through the foam.
A reader wants to know whether fruit grown in public parks and city land ends up contaminated with all the crud in urban soil. Umbra's got the answer.
How do you sort out the environmental impact of grass-fed vs. grain-fed beef in a drought? Umbra's got your back (and your flank).
A California homeowner wonders about fake grass. Umbra rolls out a better answer.
Can you BBQ with a clean, green conscience? Absolutely -- you just need to fire up the right kind of grill.
A reader wants to install a composting toilet in her London flat. Umbra is flush with answers.
A reader wonders where to get sustainable home-improvement supplies. Umbra is the helpful hardware ham.